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#include <iostream>
using namespace std;
void inp(int& x_cord, int& y_cord);//sets 'x_cord' and 'y_cord' equal to user's input
void calc(int& x_cord, int& y_cord, int& qrant);//checks the values of the x and y coordinates and finds the corresponding quadrant
void outp(int& x_cord, int& y_cord, int& qrant);//outputs results in terms of quadrant or axis intercept
int main()
{
char cont = 'y';
int x_cord, y_cord;
do//do-while loop allows program to be run multiple times
{inp(x_cord, y_cord);
calc(x_cord, y_cord, qrant);
outp(x_cord, y_cord, qrant);
cin >> cont;}
while(cont == 'y' || cont == 'Y');
return 0;}
void inp(int& x_cord, int& y_cord)//***INPUT***
{
cout << "Please enter the x and y coordinates of a point on a graph, and I will tell you what quadrant that point is in.\n"//prompt
<< "Enter the x coord (whole number): ";
//Take 'x_cord'
cin >> x_cord;
cout << "Enter the y coord (whole number): ";
//Take 'y_cord'
cin >> y_cord;
cout << endl << "The point you have given me is (" << x_cord << ", " << y_cord << ")\n\n";}
void calc(int& x_cord, int& y_cord, int& qrant)//***CALCULATIONS***
{
if(x_cord > 0 && y_cord > 0)//I
qrant = 1;
if(x_cord < 0 && y_cord > 0)//II
qrant = 2;
if(x_cord < 0 && y_cord < 0)//III
qrant = 3;
if(x_cord > 0 && y_cord < 0)//VI
qrant = 4;}
void outp(int& x_cord, int& y_cord, int& qrant)//***OUTPUT***
{
//Y-AXIS
if(x_cord == 0)
cout << "Your point lies on the y-axis.";
else
{cout << "Your point is in Quadrant ";
if(qrant == 1)
cout << "I";
if(qrant == 2)
cout << "II";
if(qrant == 3)
cout << "III";
if(qrant == 4)
cout << "VI";}
//X-AXIS
if(y_cord == 0)
cout << "Your point lies on the x-axis.";
//ORIGIN
if(x_cord == 0 && y_cord == 0)
cout << "Your point lies on the origin.";
cout << endl << endl << endl << "Do you want to continue? < 'y' or 'n' >: ";}
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